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使用两种全瓷修复体对可摘局部义齿支架中涉及的断裂载荷的研究。

An Investigation of the Fracture Loads Involved in the Framework of Removable Partial Dentures Using Two Types of All-Ceramic Restorations.

作者信息

Alhamoudi Fahad Hussain, Aldosari Lujain Ibrahim N, Alshadidi Abdulkhaliq Ali F, Hassan Saeed Awod Bin, Alwadi Maram Ali M, Vaddamanu Sunil Kumar, Cicciù Marco, Minervini Giuseppe

机构信息

Dental Technology Department, College of Applied Medical Science, King Khalid University, Abha 61421, Saudi Arabia.

Department of Prosthetic Dentistry, College of Dentistry, King Khalid University, Abha 61421, Saudi Arabia.

出版信息

Biomimetics (Basel). 2023 Mar 9;8(1):113. doi: 10.3390/biomimetics8010113.

DOI:10.3390/biomimetics8010113
PMID:36975343
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10046878/
Abstract

Retention and support are needed for removable partial denture stability. The stability can be achieved by clasps, occlusal and cingulum rests on healthy abutment teeth. However, implants or crowns can be used to support the removable partial denture instated on unhealthy abutment teeth. This study was conducted to investigate the fracture strength of two types of all-ceramic restorations used as abutments for the removable partial denture framework. The crowns were manufactured with two types of ceramic materials: zirconia and IPS e.max Press ceramics. The metal alloy (cobalt-chrome) was cast to form the removable partial denture framework. A universal testing machine was used to evaluate the fracture strength of both ceramic crown materials. The results presented no fractures in all-ceramic crowns, but deformation of the partial denture frameworks occurred. With the limitation of this study, it can be concluded that zirconia and IPS e.max Press ceramic can be used as abutments to provide adequate support to the removable partial denture.

摘要

可摘局部义齿的稳定性需要固位和支持。这种稳定性可通过卡环、咬合支托和舌隆突支托作用于健康的基牙来实现。然而，对于不健康的基牙，可使用种植体或冠来支持可摘局部义齿。本研究旨在调查用作可摘局部义齿支架基牙的两种全瓷修复体的断裂强度。这些冠采用两种陶瓷材料制成：氧化锆和IPS e.max Press陶瓷。铸造金属合金（钴铬合金）以形成可摘局部义齿支架。使用万能试验机评估两种陶瓷冠材料的断裂强度。结果显示全瓷冠均未发生断裂，但局部义齿支架出现了变形。鉴于本研究的局限性，可以得出结论，氧化锆和IPS e.max Press陶瓷可作为基牙，为可摘局部义齿提供足够的支持。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8b2e/10046878/5303175a3122/biomimetics-08-00113-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8b2e/10046878/3b6ffe84b278/biomimetics-08-00113-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8b2e/10046878/1d5439fbc8c3/biomimetics-08-00113-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8b2e/10046878/eb82bc09e380/biomimetics-08-00113-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8b2e/10046878/1af16b247e6f/biomimetics-08-00113-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8b2e/10046878/c780f7be12ec/biomimetics-08-00113-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8b2e/10046878/136507813ad6/biomimetics-08-00113-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8b2e/10046878/838fadecb6e1/biomimetics-08-00113-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8b2e/10046878/8e19e0277ee9/biomimetics-08-00113-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8b2e/10046878/fc9c44edc6a6/biomimetics-08-00113-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8b2e/10046878/4a6b7f74537d/biomimetics-08-00113-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8b2e/10046878/5303175a3122/biomimetics-08-00113-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8b2e/10046878/3b6ffe84b278/biomimetics-08-00113-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8b2e/10046878/1d5439fbc8c3/biomimetics-08-00113-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8b2e/10046878/eb82bc09e380/biomimetics-08-00113-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8b2e/10046878/1af16b247e6f/biomimetics-08-00113-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8b2e/10046878/c780f7be12ec/biomimetics-08-00113-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8b2e/10046878/136507813ad6/biomimetics-08-00113-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8b2e/10046878/838fadecb6e1/biomimetics-08-00113-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8b2e/10046878/8e19e0277ee9/biomimetics-08-00113-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8b2e/10046878/fc9c44edc6a6/biomimetics-08-00113-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8b2e/10046878/4a6b7f74537d/biomimetics-08-00113-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8b2e/10046878/5303175a3122/biomimetics-08-00113-g011.jpg

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